#ifndef __MODULUS_GFPOLY_PDF_H__
#define __MODULUS_GFPOLY_PDF_H__

/*
 * Copyright 2012 ZXing authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * 2012-09-17 HFN translation from Java into C++
 */

#include <zxing/common/Counted.h>
#include <zxing/common/Array.h>
#include <zxing/common/DecoderResult.h>
#include <zxing/common/BitMatrix.h>

namespace zxing {
    namespace pdf417 {
        namespace decoder {
            namespace ec {

                class ModulusGF;

/**
 * @author Sean Owen
 * @see com.google.zxing.common.reedsolomon.GenericGFPoly
 */
                class ModulusPoly : public Counted {

                private:
                    ModulusGF &field_;
                    ArrayRef<int> coefficients_;
                public:
                    ModulusPoly(ModulusGF &field, ArrayRef<int> coefficients);

                    ~ModulusPoly();

                    ArrayRef<int> getCoefficients();

                    int getDegree();

                    bool isZero();

                    int getCoefficient(int degree);

                    int evaluateAt(int a);

                    Ref<ModulusPoly> add(Ref<ModulusPoly> other);

                    Ref<ModulusPoly> subtract(Ref<ModulusPoly> other);

                    Ref<ModulusPoly> multiply(Ref<ModulusPoly> other);

                    Ref<ModulusPoly> negative();

                    Ref<ModulusPoly> multiply(int scalar);

                    Ref<ModulusPoly> multiplyByMonomial(int degree, int coefficient);

                    std::vector<Ref<ModulusPoly> > divide(Ref<ModulusPoly> other);

#if 0
                    public String toString();
#endif
                };

            }
        }
    }
}

#endif /* __MODULUS_GFPOLY_PDF_H__ */
